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Detect changes in the DOM
...l = document.documentElement;
var remain = 3;
// callback for the tests
function decide() {
if (support.DOMNodeInserted) {
window.addEventListener("DOMContentLoaded", function () {
if (support.DOMSubtreeModified) { // for FF 3+, Chrome
...
How do I set up a basic Ruby project?
...ct with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework.
4 Answers
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How to run Selenium WebDriver test cases in Chrome?
...
Outdated again on 23 March. Unable to use on the latest Chrome.
– willem
Mar 23 '17 at 9:20
add a comment
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ruby system command check exit code
...
If you are in a rails console, testing this out, just keep in mind you may lose the value of $? so you need to capture it as part of your REPL command [10] pry(main)> system("touch /root/test 2> /dev/null") => false [11] pry(main)> $?.exitstat...
Get the index of the object inside an array, matching a condition
...big arrays a simple loop will perform much better than findIndex:
let test = [];
for (let i = 0; i < 1e6; i++)
test.push({prop: i});
let search = test.length - 1;
let count = 100;
console.time('findIndex/predefined function');
let fn = obj => obj.prop === search;
...
Truncating all tables in a Postgres database
...= 'public'
LOOP
RAISE NOTICE '%',
-- EXECUTE -- dangerous, test before you execute!
format('TRUNCATE TABLE %I.%I CASCADE', _sch, _tbl);
END LOOP;
END
$func$ LANGUAGE plpgsql;
format() requires Postgres 9.1 or later. In older versions concatenate the query string like th...
How to escape double quotes in a title attribute
... Yep. <a href="#" title="Foo &quot;Bar&quot;">Testing</a> and <a href="#" title="Smart quotes &#8221;Bar&#8220;">Testing too</a> work for me.
– Olly Hodgson
Sep 20 '10 at 15:17
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Render HTML to PDF in Django site
...After publish you can invoke the rest api to get the results.
Here is the test of the functionality:
from django.test import TestCase
from x_reports_jasper.models import JasperServerClient
"""
to try integraction with jasper server through rest
"""
class TestJasperServerClient(TestCase):
...
How do I syntax check a Bash script without running it?
...to run. type [ says "[ is a shell builtin". It ultimately delegates to the test program, but it expects a closing bracket, as well. So it's like if test"$var", which isn't what the author meant, but is syntactically valid (say $var has a value of "a", then we will see "bash: testa: command not found...
Use C++ with Cocoa Instead of Objective-C?
... create GUI for Mac OS X, but we must link against Cocoa framework.
/*
* test1.cpp
* This program shows how to access Cocoa GUI from pure C/C++
* and build a truly functional GUI application (although very simple).
*
* Compile using:
* g++ -framework Cocoa -o test1 test1.cpp
*
* that wil...